Mourners gathered in Charlottesville, Virginia, on Wednesday to honor the woman who was killed when a car rammed into a crowd of people protesting a white nationalist rally that descended into violence last weekend. A memorial service for Heather Heyer is scheduled Wednesday morning at a downtown Charlottesville theater. Attendees were asked to wear purple, Heyer's favorite color, in her memory.

The 32-year-old was a Charlottesville resident and legal assistant whose mother described her...